Prostheses, Joint, Hip, Total

Source:http://linkedlifedata.com/resource/umls/id/C0302751

UMD: Implantable prostheses designed for total replacement of the hip joint. These prostheses consist of a combination of femoral and acetabular components. The femoral component typically consists of a metal stem inserted in the marrow cavity of the femoral bone, that ends with a neck where a metal ball component is attached to replace the femoral head; the acetabular component consist of a metal (e.g., cobalt-chromium alloy) or plastic cup-like component that is implanted into the acetabulum to replace the acetabular socket. Total hip joint prostheses with several different shapes and technologies are available; they may be made of ceramics, polymers (e.g., medical-grade polyethylene), or a combination of materials. The prostheses may be intended for use either with or without bone cement. Total hip joint prostheses are used mainly in patients who suffer from osteoarthritis or rheumatoid arthritis, as well as after trauma.

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